1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "core/editing/TextInsertionBaseCommand.h"
#include "bindings/v8/ExceptionStatePlaceholder.h"
#include "core/events/BeforeTextInsertedEvent.h"
#include "core/dom/Element.h"
#include "core/dom/Node.h"
#include "core/editing/FrameSelection.h"
#include "core/frame/Frame.h"
namespace WebCore {
TextInsertionBaseCommand::TextInsertionBaseCommand(Document& document)
: CompositeEditCommand(document)
{
}
void TextInsertionBaseCommand::applyTextInsertionCommand(Frame* frame, PassRefPtr<TextInsertionBaseCommand> command, const VisibleSelection& selectionForInsertion, const VisibleSelection& endingSelection)
{
bool changeSelection = selectionForInsertion != endingSelection;
if (changeSelection) {
command->setStartingSelection(selectionForInsertion);
command->setEndingSelection(selectionForInsertion);
}
command->apply();
if (changeSelection) {
command->setEndingSelection(endingSelection);
frame->selection().setSelection(endingSelection);
}
}
String dispatchBeforeTextInsertedEvent(const String& text, const VisibleSelection& selectionForInsertion, bool insertionIsForUpdatingComposition)
{
if (insertionIsForUpdatingComposition)
return text;
String newText = text;
if (Node* startNode = selectionForInsertion.start().containerNode()) {
if (startNode->rootEditableElement()) {
// Send BeforeTextInsertedEvent. The event handler will update text if necessary.
RefPtr<BeforeTextInsertedEvent> evt = BeforeTextInsertedEvent::create(text);
startNode->rootEditableElement()->dispatchEvent(evt, IGNORE_EXCEPTION);
newText = evt->text();
}
}
return newText;
}
bool canAppendNewLineFeedToSelection(const VisibleSelection& selection)
{
Node* node = selection.rootEditableElement();
if (!node)
return false;
RefPtr<BeforeTextInsertedEvent> event = BeforeTextInsertedEvent::create(String("\n"));
node->dispatchEvent(event, IGNORE_EXCEPTION);
return event->text().length();
}
}
|
